Notice Not affiliated with the Master Mariners Benevolent Association (MMBA) or any successor organization. v.2026.05
General Overview
Facility 🚤 Full Service Marina Est. Slips ~60 Water River Lot Size Small (<50) Lot Type Unpaved Confidence High

Medium-sized marina with multiple parallel docks along a river bend, surrounded by agricultural fields with minimal unpaved parking area and no visible vehicles.

Aerial view of Owl Harbor Marina
Pacific Coast

Owl Harbor Marina

Sacramento County, CA

Owl Harbor Marina is a private gated community on 20 acres of park-like setting along Sevenmile Slough, offering a tranquil atmosphere with modern amenities for relaxation and boating.

★★★★★ 4.6 (42 reviews on Google) View on Google Maps ↗
Address 1550 W Twitchell Island Rd, Isleton, CA 95641, USA
Capacity ~60 slips
Hours
Monday: 8:00 AM – 4:30 PM
Tuesday: 8:00 AM – 4:30 PM
Wednesday: 8:00 AM – 4:30 PM
Thursday: 8:00 AM – 4:30 PM
Friday: 8:00 AM – 4:30 PM
Saturday: 8:00 AM – 4:30 PM
Sunday: 10:00 AM – 4:00 PM
Coordinates 38.1158, -121.6193

Marina Services & Amenities

Shore Power WiFi Showers Laundry

Nearby Marinas in California

Marina Parking & Access Control

Marinas typically need to separate slip holder parking from day-visitor parking, trailer areas, launch ramps, and secure dock access points. Modern facilities use barrier gate systems to enforce these zones automatically — allowing permitted vehicles through via transponder or keycard while logging all access events.